IRDC3812 International Rectifier, IRDC3812 Datasheet - Page 6

• Manufacturer Part Number: IRDC3812
• Description: BOARD EVAL SYNC BUCK CONVERTER
• Manufacturer: International Rectifier

Specifications of IRDC3812

• Silicon Manufacturer: International Rectifier
• Kit Application Type: Power Management - Voltage Regulator
• Application Sub Type: Synchronous Buck Converter
• Features: Programmable Soft Start, Programmable
• Rohs Compliant: Yes

11/04/08
Note1: Continuous output current determined by input and output voltage setting and the thermal environment.
Note2: Cold temperature performance is guaranteed via correlation using statistical quality control. Not tested in production.
Note3: Guaranteed by Design but not tested in production.
Parameter
Oscillator
Error Amplifier
Source/Sink Current
Over Current Protection
OCSET Current
Hiccup Current
Hiccup Duty Cycle
Thermal Shutdown
Thermal Shutdown Threshold
Thermal Shutdown Hysteresis
Frequency
Ramp Amplitude
Min Pulse Width
Max Duty Cycle
Input Bias Current
Input Bias Current
Input Bias Current
Transconductance
Input Offset Voltage
Vp( (Common Mode Range)
Soft Start/SD
Soft Start Current
Shutdown Output Threshold
I(source/Sink)
Hiccup(duty)
D
SYM
I
I
V
D
OCSET
Hiccup
min(ctrl)
I
I
SD
Vos
I
F
I
ramp
FB1
FB2
gm
max
Vp
SS
S
Note3
Note3
SS=3V
SS=3V
SS=0V
SS=0V
Note3
I
Note3
Note3
Fb=0V
Hiccup
Fb to Vp
/ I
Test Condition
SS
,
Note3
Min
1000
540
-4.5
75
30
50
15
15
0.2
IR3812MPbF
TYP
1.25
600
-0.1
-0.1
1300
140
70
20
20
15
20
80
50
3
0
MAX
0.25
1600
660
-0.5
-0.5
+4.5
70
90
28
26
1.0
PD-60335
Units
μmho
kHz
μA
μA
μA
ns
mV
o
%
%
V
V
C
V
6